package xyz.kongbai121.shop.order.web;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import xyz.kongbai121.common.exception.NoStockException;
import xyz.kongbai121.shop.order.service.OrderService;
import xyz.kongbai121.shop.order.vo.OrderConfirmVo;
import xyz.kongbai121.shop.order.vo.OrderSubmitVo;
import xyz.kongbai121.shop.order.vo.SubmitOrderRespVo;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {

    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {

        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmVo);
        return "confirm";
    }

    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        try {
            SubmitOrderRespVo respVo = orderService.submitOrder(vo);
            if (respVo.getCode() == 0){
                // 下单成功
                model.addAttribute("submitOrderResp",respVo);
                return "pay";
            }else {
                String msg = "下单失败:";
                switch (respVo.getCode()){
                    case 1 : msg += "订单信息过期,请刷新再次提交"; break;
                    case 2 : msg += "订单商品价格发生变化,请确认后再次提交"; break;
                    case 3 : msg += "库存锁定失败,商品库存不足"; break;
                }

                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        } catch (Exception e) {
            e.printStackTrace();
            if (e instanceof NoStockException){
                redirectAttributes.addFlashAttribute("msg","下单失败"+e.getMessage());
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
